A university interested in tracking its honors program believes that the proportion of graduates with a GPA of 3.00 or below is less than 0.20. In a sample of 200 graduates, 30 students have a GPA of 3.00 or below. In testing the university's belief, how does one define the population parameter of interest?
A) It's the proportion of honors graduates with a GPA of 3.00 or below.
B) It's the mean number of honors graduates with a GPA of 3.00 or below.
C) It's the number of honors graduates with a GPA of 3.00 or below.
D) It's the standard deviation of the number of honors graduates with a GPA of 3.00 or below.

Question

Quizplus · Accepted Answer

The population parameter of interest is the proportion of graduates with a GPA of 3.00 or below. This is because the university is interested in testing whether the proportion in the population is less than 0.20. Therefore, the parameter of interest is the proportion, not the mean, number, or standard deviation.

A University Interested in Tracking Its Honors Program Believes That